''why would Mr. Yallow want to ruin the system?"
I'm pretty sure that it is C
Answer:
It's already in passive
Explanation:
ex: The eyes are located on face.
C: In time, of course, all issues get resolved, but not necessarily in the way you would like.
Explanation: In A, “afternoon, he was concerned” is wrong. In B, “the following items;” is wrong, in D, “attire:” is wrong.